Home / 74,311,343,452.75-111,421,395,563.93-28,879,002,939.25

Finding the Fourth Proportional to 74,311,343,452.75, 111,421,395,563.93 and 28,879,002,939.25

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Solution

The fourth proportional to 74,311,343,452.75, 111,421,395,563.93 and 28,879,002,939.25 is: 43,300,775,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,311,343,452.75 : 111,421,395,563.93 = 28,879,002,939.25 : x
  2. Step 2: Convert to fraction form
    74,311,343,452.75/111,421,395,563.93 = 28,879,002,939.25/x
  3. Step 3: Cross multiply
    74,311,343,452.75x = 111,421,395,563.93 × 28,879,002,939.25
  4. Step 4: Simplify right side
    74,311,343,452.75x = 3,217,738,809,986,071,396,352
  5. Step 5: Solve for x
    x = 3,217,738,809,986,071,396,352/74,311,343,452.75
  6. Step 6: Final answer
    x = 43,300,775,635.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.